EP4546455A4 - Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone - Google Patents
Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carboneInfo
- Publication number
- EP4546455A4 EP4546455A4 EP22954624.7A EP22954624A EP4546455A4 EP 4546455 A4 EP4546455 A4 EP 4546455A4 EP 22954624 A EP22954624 A EP 22954624A EP 4546455 A4 EP4546455 A4 EP 4546455A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- silicon
- composite material
- carbon composite
- manufacturing
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/40—Electric properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2022/112206 WO2024031667A1 (fr) | 2022-08-12 | 2022-08-12 | Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4546455A1 EP4546455A1 (fr) | 2025-04-30 |
| EP4546455A4 true EP4546455A4 (fr) | 2026-01-07 |
Family
ID=89850488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22954624.7A Pending EP4546455A4 (fr) | 2022-08-12 | 2022-08-12 | Matériau composite de silicium-carbone et son procédé de préparation, et batterie secondaire comprenant un matériau composite de silicium-carbone |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250038176A1 (fr) |
| EP (1) | EP4546455A4 (fr) |
| CN (1) | CN117882228A (fr) |
| WO (1) | WO2024031667A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4550450A4 (fr) * | 2022-08-26 | 2025-11-19 | Contemporary Amperex Technology Hong Kong Ltd | Matériau composite silicium-carbone et son procédé de préparation, et accumulateur le comprenant |
| CN118032593B (zh) * | 2024-04-10 | 2024-07-23 | 瑞浦兰钧能源股份有限公司 | 一种颗粒辊压粘结强度的评估方法 |
| CN118458767A (zh) * | 2024-05-07 | 2024-08-09 | 厦门厦钨新能源材料股份有限公司 | 一种利于硅沉积的多孔碳材料和硅碳负极材料及其制备方法和应用 |
| CN121601602A (zh) * | 2024-08-15 | 2026-03-03 | 宁德时代新能源科技股份有限公司 | 电池单体、硅碳复合材料及制备方法、电池装置及用电装置 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180097229A1 (en) * | 2016-09-30 | 2018-04-05 | Samsung Electronics Co., Ltd. | Negative active material, lithium secondary battery including the material, and method of manufacturing the material |
| CN110546789A (zh) * | 2017-02-10 | 2019-12-06 | 瓦克化学股份公司 | 用于锂离子电池的阳极材料的核-壳复合粒子 |
| CN113097487A (zh) * | 2021-04-01 | 2021-07-09 | 广东凯金新能源科技股份有限公司 | 一种高度致密结构硅碳复合材料、其制备方法及其应用 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103311523B (zh) * | 2013-06-04 | 2017-02-08 | 清华大学深圳研究生院 | 具有纳米微孔隙的硅碳复合材料及其制备方法与用途 |
| CN106207108B (zh) * | 2016-07-09 | 2018-07-27 | 太原理工大学 | 基于高分子发泡微球的硅碳复合材料及其制备方法与应用 |
| CN107134567A (zh) * | 2017-04-24 | 2017-09-05 | 广东烛光新能源科技有限公司 | 硅碳负极材料及其制备方法 |
| CN107069010A (zh) * | 2017-04-24 | 2017-08-18 | 广东烛光新能源科技有限公司 | 一种硅碳负极材料及其制备方法 |
| US11984580B2 (en) * | 2019-05-06 | 2024-05-14 | Honeycomb Battery Company | Protected anode active material particles for rechargeable lithium batteries |
-
2022
- 2022-08-12 EP EP22954624.7A patent/EP4546455A4/fr active Pending
- 2022-08-12 CN CN202280005715.9A patent/CN117882228A/zh active Pending
- 2022-08-12 WO PCT/CN2022/112206 patent/WO2024031667A1/fr not_active Ceased
-
2024
- 2024-10-13 US US18/914,241 patent/US20250038176A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180097229A1 (en) * | 2016-09-30 | 2018-04-05 | Samsung Electronics Co., Ltd. | Negative active material, lithium secondary battery including the material, and method of manufacturing the material |
| CN110546789A (zh) * | 2017-02-10 | 2019-12-06 | 瓦克化学股份公司 | 用于锂离子电池的阳极材料的核-壳复合粒子 |
| CN113097487A (zh) * | 2021-04-01 | 2021-07-09 | 广东凯金新能源科技股份有限公司 | 一种高度致密结构硅碳复合材料、其制备方法及其应用 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2024031667A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117882228A (zh) | 2024-04-12 |
| WO2024031667A1 (fr) | 2024-02-15 |
| US20250038176A1 (en) | 2025-01-30 |
| EP4546455A1 (fr) | 2025-04-30 |
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Legal Events
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
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| 17P | Request for examination filed |
Effective date: 20250121 |
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| AK | Designated contracting states |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20251204 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01M 4/36 20060101AFI20251128BHEP Ipc: H01M 10/0525 20100101ALI20251128BHEP |